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81 results about "Closed mouth" patented technology

Stator iron core, stator and motor

The invention discloses a stator iron core, a stator and a motor. The stator iron core is arranged on the periphery of the rotor and includes a plurality of stator individuals arranged in the circumferential direction in a spaced manner. Each stator individual includes a yoke part formed through stacking a plurality of yoke part punching sheets together; two main tooth parts clamped at the two circumferential ends of the yoke part and formed by stacking a plurality of tooth part punching sheets perpendicular to the yoke part punching sheets together, wherein each main tooth part is therein provided with an extension part extending along the axial direction of the yoke part and having at least one end protruding from the main tooth part, and a closed-mouth groove penetrating through the main tooth part in the stacking direction of the tooth part punching sheets; a main tooth boot part formed through stacking a plurality of main tooth boot punching sheets perpendicular to the tooth part punching sheets together and provided with a clip tongue through arranging an open groove whose opening direction is parallel with the stacking direction of the tooth part punching sheets, wherein the clip tongue is clamped in the closed-mouth groove from one side of the closed-mouth groove; an end tooth boot part formed through stacking a plurality of end tooth boot punching sheets together and clamped on the extension part. According to the embodiment of the invention, the magnetic concentrating capability of the stator iron core is enhanced and the cost is reduced.
Owner:GUANGDONG WELLING ELECTRIC MACHINE MFG +1

Placement type probe and visual quantitative evaluation method for damage detection of metal component

The invention discloses a placement type probe and a visual quantitative evaluation method for damage detection of a metal component. The placement type probe comprises a magnetism gathering magneticcore group, a disc-type exciting coil, a vertical magnetic field gradient sensor and a group of magnetic field gradient sensor arrays which are distributed annularly; the magnetism gathering magneticcore group consists of a cylindrical magnetic core of which the bottom centre of the axial cross section is a non-closed mouth shape and a cylindrical magnetic core of which the axial cross section isan inverted T shape; the two cylindrical magnetic cores are coaxial; the disc-type exciting coil and the magnetism gathering magnetic core group are coaxial; the vertical magnetic field gradient sensor is positioned at the top of the inverted T-shaped cylindrical magnetic core; the magnetic field gradient sensor arrays which are distributed annularly are uniformly arranged at the bottom of a gapbetween the cylindrical magnetic core of which the bottom centre of the axial cross section is the non-closed mouth shape and the cylindrical magnetic core of which the axial cross section is the inverted T shape. The invention also provides a method for implementing damage detection and visual quantitative evaluation of a metal component by applying the probe; quick and high-precise detection, imaging and quantitative evaluation can be performed on the metal component; the placement type probe and the visual quantitative evaluation method for the damage detection of the metal component have an important engineering application value.
Owner:XI AN JIAOTONG UNIV

Customized temporomandibular joint repositioning occlusal pad and manufacturing and application methods thereof

The invention provides a customized temporomandibular joint repositioning occlusal pad and manufacturing and application methods. The manufacturing method comprises the following steps: according to malocclusion conditions, determining the correction position of the lower jaw of a patient through the following three methods: muscle de-programming, forward stretching of the lower jaw to disappearance of springing of open and closed joints, and restoration of an articular disc, and acquiring upper and lower dentition data of the patient. The customized temporomandibular joint repositioning occlusal pad is manufactured on the basis of the correction position of the lower jaw and upper and lower dentition data and comprises an integrally formed occlusal pad body, and an upper tooth socket and a lower tooth socket are formed between a lip side wrapping surface and a tongue side wrapping surface of the occlusal pad body. The upper tooth socket and the lower tooth socket are respectively arranged on the upper side and the lower side of the occlusal pad body, a tongue side inclined surface is arranged below the tongue side wrapping surface, and the occlusal pad is particularly used for occlusal treatment of temporomandibular joint disorder caused by malocclusion and temporomandibular joint relocation after joint disc reduction.
Owner:SHANGHAI NINTH PEOPLES HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE

Inflatable mouth opening trainer

PendingCN112973015AEnsure the progress of postoperative rehabilitation trainingAvoid damageResilient force resistorsPhysical medicine and rehabilitationEngineering
The invention discloses an inflatable mouth opening trainer which comprises a mounting base, an air bag, an upper tooth moving plate, a lower tooth moving plate, a tooth fixing mechanism, a first switch, a first spring, a driving rod, a locking mechanism, a limiting mechanism, an inflation pump and a battery.According to the inflatable mouth opening trainer, firstly, the tooth fixing mechanism is used, so that the inflatable mouth opening training device is fixed with teeth of a patient; meanwhile, stress points are dispersed, a limiting mechanism is controlled through an adjusting mechanism, then the limiting mechanism expands an air bag to push the distance between an upper tooth moving plate and a lower tooth moving plate to restrain, and then the mouth of the patient is in a passive reciprocating opening and closing training state through rebounding of a first spring; in this way, it is ensured that the amplitude of mouth opening training of the patient is consistent each time, and the mouth opening degree can be adjusted. By means of the device, the mouth opening training effect of the patient is improved, the postoperative rehabilitation training progress of the patient is ensured, and meanwhile stress points are dispersed, so that tooth damage is prevented.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

Corn straw shaping and baling machine

The invention provides a corn straw shaping and baling machine, comprising a limiting plate, first arc-shaped plates, chutes, second arc-shaped plates, an extrusion roller wheel, a swivel plate, a fixed shaft, a conveyor belt, a cutter groove, a cutter, movable fan plates, shaping plates, a bump, a locating shaft and a torsion spring, wherein the rear of the limiting plate is movably connected with the conveyor belt; one side of the limiting plate is fixedly connected with the first arc-shaped plate, and the chutes are respectively and fixedly connected with the upper sides and lower sides ofthe first arc-shaped plates; the second arc-shaped plates are connected with the interiors of the two chutes in a sliding way by means of roller wheels. By utilizing the lever rule, positioning bearings arranged at the upper edges of the shaping plates can be enabled to contract inwardly under the action of rotation, so that bayonets on the two shaping plates can be combined into a hollow plate with a closed mouth, and corn straw can be further pulled downwards by means of the bayonets; the direction of movement of the corn stalk on the conveyor belt is changed, and the corn stalk can enter aspace between the first arc-shaped plate and the second arc-shaped plate, so that the disordered corn stalk is more orderly, and mechanical jamming is prevented.
Owner:张东升

Jaw opening and closing rehabilitation robot

The invention discloses a jaw opening and closing rehabilitation robot which is suitable for patients who suffer from temporomandibular joint disturbance syndrome and need to carry out rehabilitation training in the jaw opening and closing direction. The jaw opening and closing rehabilitation robot structurally mainly comprises two servo motors, two speed reducers, two pairs of lead screw nuts, a first connecting rod, a second connecting rod, a first spring, a second spring, a jaw connecting piece, a jaw supporting piece, a dental tray, a dental tray connecting piece, a spring fixing piece and a rack, wherein the speed reducers are fixedly connected with lead screws; the lead screws are connected with nuts in a matched manner; the two nuts are separately connected with the first connecting rod and the second connecting rod by hinges; the two connecting rods are connected by a hinge; the first spring is separately connected with the jaw connecting piece and the jaw supporting piece fixedly; the second spring is separately connected with the spring fixing piece and the dental tray connecting piece fixedly; and the dental tray is fixedly connected with the dental tray connecting piece. The device is compact in structure, convenient to operate, high in safety and low in cost, and can be used for rehabilitation training in hospitals or families.
Owner:NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Buccal multi-bending spring space three-dimensional dynamometer

The invention relates to a buccal multi-bending spring space three-dimensional dynamometer, which is applied to simulating a maxilla, a mandible and a temporomandibular joint, and predicting the push and pull force values generated on crossover points of the maxilla and the mandible when a correction patient wears multi-bending springs 28I and 28II to perform mouth opening and closing motions. The dynamometer has accurate measurement and can instruct the clinical allopathic wearing according to the following steps: (1) putting two terminal filaments of the 28I and the 28II into a 15I, a 15II and upper jaws 33I and 33II fastening the terminal filaments, and moving a bracket 43 leftwards and rightwards so as to measure the pulling-pressing stress values and the displacements of the 28I and the 28II to a full denture; (2) elongating the 28I and the 28II, fastening the same into holes of the 15I, the 15II, the 33I and the 33II, moving a 32I and a 32II to adjust the stress values to approach to 0, driving a 35, the 32I and the 32II to move rightwards, and measuring the maximum pressing stress value of the full denture of the upper jaw and the lower jaw when the 28I and the 28II are pressed to a mouth-closing state; and (3) measuring the stress values and the displacements of the 28I and the 28II along the scales of 5 degrees, 10 degrees and 15 degrees of a 8I and a 8II by the 15I and the 15II; and if a 21I and a 21II move around a center leftwards and rightwards (the 15I and the 15II are 3 millimeters away from the central displacement), repeating the steps (1) and (2) to measure acting forces and displacement values.
Owner:侯录 +1

Automatic production equipment for power wires

The invention discloses automatic production equipment for power wires. The automatic production equipment comprises a body structure which is in an integral U shape. A chain transmission mechanism is erected at a U-shaped opening in the upper surface of the body structure. A clamping jaw wire feeding structure, a head wire peeling structure, a tail integrated inner rack end-cutting and reshaping mechanism and a vibration feeding tray are sequentially installed on the left side of the upper surface of the body structure from the closed end to the opened end. A tail wire peeling structure, a ground wire end-cutting mechanism, a ground wire detaching mechanism and a null and live wire end-cutting and reshaping mechanism are sequentially installed on the right side of the upper surface of the body structure from the closed end to the opened end. According to the automatic production equipment, a plurality of independent mechanisms capable of operating horizontally at the same time are integrated on the same equipment, and therefore the power wires can be automatically produced, production efficiency is improved, manual cost is reduced, and meanwhile product quality stability is improved. The power wires produced by the equipment have the advantages of being adjustable in length, adjustable in terminal variety, capable of meeting the requirements of different countries and the like, and the practicability is high.
Owner:常熟利星光电科技有限公司
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